Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.3 A 0.4 A None of these 0.6 A 0.2 A 0.3 A 0.4 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit purely resistive circuit None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Forward-biased Operating in the breakdown region None of these Reverse-biased Nonconducting Forward-biased Operating in the breakdown region None of these Reverse-biased Nonconducting ANSWER DOWNLOAD EXAMIANS APP
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